3 insiders reported 8 Form 4 transactions for GERON CORP (GERN) over the past 18 months (most recent 2026-07-01). Recent activity: Spiegel Robert J. (Director) Buy 6,103 shares, Spiegel Robert J. (Director) Buy 5,243 shares, ROBERTSON MICHELLE (EVP, CHIEF FINANCIAL OFFICER) Buy 27,500 shares, ROBERTSON MICHELLE (EVP, CHIEF FINANCIAL OFFICER) Sell 9,855 shares, Spiegel Robert J. (Director) Buy 5,918 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-01 | Spiegel Robert J. | Director | Buy | 6,103 | $7,812 |
| 2026-04-01 | Spiegel Robert J. | Director | Buy | 5,243 | $7,812 |
| 2026-02-19 | ROBERTSON MICHELLE | EVP, CHIEF FINANCIAL OFFICER | Buy | 27,500 | $0 |
| 2026-02-19 | ROBERTSON MICHELLE | EVP, CHIEF FINANCIAL OFFICER | Sell | 9,855 | $19,119 |
| 2026-01-05 | Spiegel Robert J. | Director | Buy | 5,918 | $7,812 |
| 2025-10-01 | Spiegel Robert J. | Director | Buy | 5,702 | $7,812 |
| 2025-07-01 | Spiegel Robert J. | Director | Buy | 5,540 | $7,811 |
| 2025-05-13 | LAWLIS V BRYAN | Director | Buy | 13,300 | $15,694 |
来源：SEC Form 4 申报文件 · 截至 2026-07-01